Images found at Creative Commons
-Echidna by Robertpaulyoung (flickr Images)
-Extra extra happy kangaroo by robstephaustralia(flickr Images)
-Lions by Corey Leopld (flickr Images)
-Penguin can fly by Ken2754@yokohama (flickr Images)
-Superb Lyrebird by Ryan Wick (flickr Images)
-Cartoon Eyes by Kitty Nights (google images)
-Destroyed Houses by Greenpeace (google images)
-Tiger by LA Times Blog (google images)
-Zoo Keeper by Maynardlivingston (google images)
-Smile Orang-utan by Jennifer S Don (google images)
-Orang-utan in tree by Foe (google images)
-Platypus by Stefan Kraft
-Wombat by Jason Pratt (google images)
-Koala by Mark Probst (google images)
-Crocodile by Hamed Saber (google images)



Audio
-Siren (http://www.freesound.org/samplesViewSingle.php?id=62082)
-Clapping by PacDV (http://www.pacdv.com/sounds/people_sounds.html)



Teachers Page
Science and Technology K-6. (1993). Board of Studies. Retrieved January 14, 2010, from http://k6.boardofstudies.nsw.edu.au/files/science-and-technology/k6_scitech_syl.pdf